Sirach 25:7

7 There be nine things which I have judged in mine heart to be happy, and the tenth I will utter with my tongue: A man that hath joy of his children; and he that liveth to see the fall of his enemy:

Sirach 25:7 In-Context

5 O how comely is the wisdom of old men, and understanding and counsel to men of honour.
6 Much experience is the crown of old men, and the fear of God is their glory.
7 There be nine things which I have judged in mine heart to be happy, and the tenth I will utter with my tongue: A man that hath joy of his children; and he that liveth to see the fall of his enemy:
8 Well is him that dwelleth with a wife of understanding, and that hath not slipped with his tongue, and that hath not served a man more unworthy than himself:
9 Well is him that hath found prudence, and he that speaketh in the ears of them that will hear:

The Brenton translation of the Septuagint is in the public domain.